| /* |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Copyright (c) 2020 Linaro Limited |
| * Copyright 2023 NXP |
| */ |
| |
| #include <zephyr/dt-bindings/adc/mcux-lpadc.h> |
| |
| / { |
| zephyr,user { |
| /* adjust channel number according to pinmux in board.dts */ |
| io-channels = <&lpadc0 0>, <&lpadc0 1>; |
| }; |
| }; |
| |
| &lpadc0 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| /* |
| * To use this sample: |
| * LPADC0 CH0A and CH0B are set up in differential mode (B-A) |
| * - Connect LPADC0 CH0A signal to voltage between 0~1.8V (J30 pin 1) |
| * - Connect LPADC0 CH0B signal to voltage between 0~1.8V (J30 pin 2) |
| * LPADC0 CH2A is set up in single ended mode |
| * - Connect LPADC0 CH2A signal to voltage between 0~1.8V (J30 pin 3) |
| */ |
| |
| channel@0 { |
| reg = <0>; |
| zephyr,gain = "ADC_GAIN_1"; |
| zephyr,reference = "ADC_REF_EXTERNAL0"; |
| zephyr,vref-mv = <1800>; |
| zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; |
| zephyr,resolution = <13>; |
| zephyr,input-positive = <MCUX_LPADC_CH0B>; |
| zephyr,input-negative = <MCUX_LPADC_CH0A>; |
| }; |
| |
| channel@1 { |
| reg = <1>; |
| zephyr,gain = "ADC_GAIN_1"; |
| zephyr,reference = "ADC_REF_EXTERNAL0"; |
| zephyr,vref-mv = <1800>; |
| zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; |
| zephyr,resolution = <12>; |
| zephyr,input-positive = <MCUX_LPADC_CH2A>; |
| }; |
| }; |
